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Finding the Third Proportional to 248.50 and 522.25

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Solution

The third proportional to 248.50 and 522.25 is: 1,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.50 : 522.25 = 522.25 : x
  2. Step 2: Convert to fraction form
    248.50/522.25 = 522.25/x
  3. Step 3: Cross multiply
    248.50x = 522.25 × 522.25
  4. Step 4: Simplify right side
    248.50x = 272,745.06
  5. Step 5: Solve for x
    x = 272,745.06/248.50
  6. Step 6: Final answer
    x = 1,097.57

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.